#include<bits/stdc++.h>
using namespace std;
int main(){
    double a;
    cin>>a;
    if(a<1.3){
        cout<<"60";
    }else{
        cout<<"120";
    }
      
}
/**************************************************************
	Problem: 1037
	User: wengzihang
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/